CBSE Class 12th Boards Exam Notes
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Red:📈 Análisis del canal de Telegram CBSE Class 12th Boards Exam Notes
El canal CBSE Class 12th Boards Exam Notes (@cbse_class_12_boards_exams_notes) en el segmento lingüístico de Inglés es un actor destacado. Actualmente la comunidad reúne a 19 568 suscriptores, ocupando la posición 10 187 en la categoría Educación y el puesto 21 637 en la región India.
📊 Métricas de audiencia y dinámica
Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 19 568 suscriptores.
Según los últimos datos del 07 julio, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de -509, y en las últimas 24 horas de -17, conservando un alto alcance.
- Estado de verificación: No verificado
- Tasa de interacción (ER): El promedio de interacción de la audiencia es 1.34%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 0.48% de reacciones respecto al total de suscriptores.
- Alcance de las publicaciones: Cada publicación recibe en promedio 263 visualizaciones. En el primer día suele acumular 94 visualizaciones.
- Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 1.
- Intereses temáticos: El contenido se centra en temas clave como jee, college, neet, aspirant, vishwas.
📝 Descripción y política de contenido
El autor describe el recurso como un espacio para expresar opiniones subjetivas:
“Join Our Channel For CBSE Class 12th Boards Exam Notes
➤ Boards Exam Updates
➤ Class 12th Notes
➤ CBSE Books & Sample Papers
Paid Promotion : @Pradhumn_Singh”
Gracias a la alta frecuencia de actualizaciones (últimos datos recibidos el 08 julio, 2026), el canal mantiene la vigencia y un amplio alcance. La analítica demuestra que la audiencia interactúa activamente con el contenido, lo que lo convierte en un punto de referencia dentro de la categoría Educación.
19 568
Suscriptores
-1724 horas
-1377 días
-50930 días
Carga de datos en curso...
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| Fecha | Crecimiento de Suscriptores | Menciones | Canales | |
| 08 julio | +5 | |||
| 07 julio | +4 | |||
| 06 julio | 0 | |||
| 05 julio | 0 | |||
| 04 julio | 0 | |||
| 03 julio | 0 | |||
| 02 julio | 0 | |||
| 01 julio | 0 |
Publicaciones del Canal
Some Important Fungi:
Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
©️Join For Premium Materials :-
t.me/addlist/jE5XV-Qe8MAyMWJl
| 2 | Some Important Fungi:
Yeast- used in fermentation to make cheese, bread, beer
Penicillium- antibiotics source
Puccinia- causes wheat rust
Ustilago- causes smut disease
Symbionts- Lichens (symbiotic association of fungi with algae), Mycorrhiza (symbiotic association of fungi with roots of green plants)
Rhizopus- the bread mould
Albugo- the parasitic fungi on mustard
Neurospora- extensively used in genetic and biochemical work
Truffles and Morels- edible and are considered a delicacy
Agaricus- edible as well as poisonous species
©️Join For Premium Materials :-
https://t.me/+MQ9N9ZuyOnUyYzA9 | 1 |
| 3 | The base-emitter junctions of a transistor is | 144 |
| 4 | Number of Pi bonds in phenyl benzoate are ‘X’. Number of lone pairs in phenyl benzoate are ‘Y’ .Correct relation is | 132 |
| 5 | Statement I : Functional group in picric acid is -COOH group
Statement II: In phenol- OH group is a ortho, para directing group and ring activating group | 121 |
| 6 | Reductic acid contains 52.63% carbon, 5.30% hydrogen and 42.07% oxygen. Its empirical formula is the same as its molecular formula. What is the number of carbon atoms in a molecule of this acid? | 112 |
| 7 | Statement I : In the reaction between NH3 and BF3 to form adduct Lewis acid is BF3
Statement II : Electron deficient species are Lewis bases. | 99 |
| 8 | Trick to Remember Some bi-carboxylic acid
🌟1.Oxalic acid- 0 carbon- Oh
🌟2.Maleic acid- 1 carbon- My
🌟3.Succinic acid- 2 carbon- Sun
🌟4.Glutamic acid-3 carbon- Go
🌟5.Adipic acid- 4 carbon- And
🌟6.Palmitic acid- 5 carbon- play
Number of carbons refers number of -CH2 group between two COOH group.
For e.g HOOC-COOH (OXALIC ACID) there is no CH2 group between carboxyl. Maleic acid is HOOC-CH2-COOH there is one CH2 group in betwen. This is how you can remember some bi-carboxylic acid.
➖➖➖➖➖➖➖➖➖➖➖➖
🗒️ Join For More :
t.me/addlist/jE5XV-Qe8MAyMWJl | 146 |
| 9 | If 1.204 x 10²¹ molecules of H2SO4 are removed from 392 mg of H2SO4, find the moles of H2SO4 left. | 190 |
| 10 | Find the molecular mass of a gas that takes three times more time to effuse as compared to He with the same volume | 173 |
| 11 | Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25℃ | 155 |
| 12 | If the temperature is doubled, the average velocity of a gaseous molecule increases by | 151 |
| 13 | What are the conditions for gas like Carbon monoxide to obey the ideal gas laws? | 142 |
| 14 |  +7Physics Formulas 💪 | 211 |
| 15 |  +4Circular Motion Short Notes | 272 |
| 16 |  JEE aspirants, taiyari ko do ek naya boost! 🚀
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| 17 |  +3Chemical Equilibrium Notes
(#New💐) Share & React Below ❤️
©️ Credit :- Chemistry Notes 🗒️
❍ ⎙ㅤ ⌲
ᶜᵒᵐᵐᵉⁿᵗ ˢᵃᵛᵉ ˢʰᵃʳᵉ | 303 |
| 18 | 🌟 Important Points of NCERT 🌟
1. 1770 : Joseph Priestley - Essential role of air in growth of green plant.
2. 1774 : Joseph Priestley - Discovered O2.
3. 1831 : Robert Brown - Ist discovered and described nucleus.
4. 1838 : Schleiden (German Botanist) - Work on plants.
5. 1839 : Schwann(British Zoologist) - Work on both plants & animals.
6. 1855 : Rudolf Virchow - Omnis cellula-e-cellula (cells arises from
pre-existing cells).
7. Life originate from pre-existing life : Pasteur (Yeast).
8. Life originate from non-living (decaying & rotting matter) : Spontaneous
generation.
9. Life originate from pre-existing non-living organic molecules (RNA,
Protein)- Oparin (Russia) & Haldane (England)- Chemical Evolution.
10. 1856 - 1863 : Mendal experiment on garden pea. (7 years)
11. 1860 : Julius von Sachs - Developed hydroponics.
12. 1865 : Mendal published his work.
13. 1866 : Langdon Down - Down’s syndrome.
14. 1869 : Friedrich Meischer - Ist identified DNA and named it nuclein.
15. 1891 : Henking - Discovered X-body.
16. 1891 : Fossil discovered in Java - Homo erectus.
17. 1892 : Ivanowsky - Discovered virus.
18. 1898 : Beijerinek - Contagium vivum fluidum (infectious living fluid).
19. 1898 : Camillo Golgi - Discovered (observed) G.B.
20. 1900 : de Vries, Corre ns and von Tsche rmak inde pende ntly
rediscovered Mendel’s results.
21. 1902 : Chromosome movement during meiosis has been worked out.
22. 1905 : Law of limiting factor (Blackmann).
23. 1928 : Fredrick Griffith - Transforming experiment with Streptococcus
pneumoniae (Diplococcus).
24. 1935 : Stanley - Crystallised viruses.
25. 1937 : Ramde o Misra obtained Ph.D. in Ecology from Lee ds
university (U.K.).
26. 1938 : Coelocanth fish caught in South Africa.
27. 1945 : Fleming, Chain & Florey - Awarded Nobel prize.
28. 1950 : Watson obtained Ph.D. on a study of the effect of hard X-rays
on bacteriophage multiplication.
29. 1951 : Family planning programme started in India.
30. 1952 : Hershey & Chase-experiment on bacteriophage or Bacterial virus
gives unequivocal proof that DNA is the genetic material.
31. 1953 : Miller experiment - Methane, ammonia, hydrogen & water
vapour.
32. 1953 : Watson & Crick - Double helical structure of B-DNA &
replication scheme.
33. 1953 : Palade : Discovered ribosome.
34. 1954 : Ramachandran - Triple helical model of collagen, published
in Nature.
35. 1954 : Crick complete d Ph.D. on a thesis “X-rays diffraction :
polypeptides and proteins.
36. 1958 : Meselson & Stahl - Work on E.coli proves semiconservative
replication of DNA in prokaryotes.
37. 1958 : Taylor - Work on Vicia faba proves semiconservative replication
of DNA in eukaryotes.
38. 1960 : Katherine Esau - Published “Anatomy of Seed Plants.”
39. 1961 : Melvin Calvin - Nobel Prize.
40. 1962 : Watson, Crick and Wilikins - Nobel Prize.
41. 1963 : Wheat varieties (Sonalika & Kalyan sona) introduced.
42. 1963 : Two enzyme responsible for restricting growth of bacteriophage
in E.coli were isolated.
43. 1966 : Derivative of IR-8 & Taichung native-I introduced.
44. 1969 : Whittaker - Five kingdom classification.
45. 1971 : Govt. of India legalized MTP.
46. 1971 : Diener- Discovered Viroid(free RNA without capsid).
47. 1972 : Singer & Nicolson - Fluid mosaic model.
48. 1972 : Stanley Cohen & Herbert Boyer - Formed Ist recombinant DNA.
49. 1972 : Establishme nt of NCEPC - National Committe e for
Environmental Planning & Coordination.
50. 1974 : Water act.
51. 1980 : Joint forest management, (JFM).
52. 1981 : AIDS was Ist reported.
53. 1981 : Air act.
54. 1983 : Eli Lily (An American company) produces insulin in E.coli by
recombinant DNA technology.
55. 1984 : Establishment of MOEF : Ministry of Environment & Forest.
56. 1986 : Environment Protection Act.
57. 1987 : Montreal protocol. Held in Montreal, Canada.
💐 Share & React ❤️ below. | 303 |
| 19 |  Wave Optics MindMap
For Quick Revision Purposes | 236 |
| 20 | The image formed by the convex mirror is 1/n times the object and has a focal length f. What is the distance of object from the mirror? | 181 |
